<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
        "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
    <meta charset="UTF-8">
    <title>奇怪的登录页面</title>
</head>
<style>
    span{
        color: red;
    }
</style>
<body>
        我是一个登录页面
        <hr/>
        <form action="/toLogin" method="post">
            <input value="" name="userName" type="text" maxlength="10" >
            <input value="" name="password" type="password" maxlength="50" >
            <button type="submit" value="登录" >提交</button>
        </form>
    <span th:text="${msg}"></span>
</body>
</html>